<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>beginning_test</title>
	</head>
		<script type="text/javascript">
			document.write("<h1>通过document.write渲染出来的h1标签</h1>")
			document.write("<p>这是一个P标签</p>")
		</script>
	<body>
		<h1>这个h1在body内部</h1>
	</body>
</html>
